CVE-2026-56291

EUVD-2026-42573
Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1 - The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99.51%
Affected Products (NVD)
VendorProductVersion
balbooaforms
𝑥
< 2.4.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/
https://www.balbooa.com/joomla-forms
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56291